<http://schema.org/caption>
"Race fan John Maurer of Arlington gets an autograph from Sprint Cup Series driver Austin Dillon (51) during Sprint Cup practice at Texas Motor Speedway Fort Worth, Texas on Thursday, April 11, 2013."^^<http://www.w3.org/2001/XMLSchema#string>
<http://sportsday.dallasnews.com/other-sports/motorsportsheadlines/2013/04/11/photos-nascar-sprint-cup-drivers-rev-their-engines-sign-autographs-during-practice-at-tms>